Base | Representation |
---|---|
bin | 10100011111010111011… |
… | …110011110110010110111 |
3 | 11222121110202222200002212 |
4 | 110133113132132302313 |
5 | 141032211231211222 |
6 | 2554505205524035 |
7 | 203505162254561 |
oct | 24372736366267 |
9 | 4877422880085 |
10 | 1408069397687 |
11 | 4a31825151a7 |
12 | 1a8a8771361b |
13 | a2a1b6375c4 |
14 | 4c2181ba331 |
15 | 269617b76e2 |
hex | 147d779ecb7 |
1408069397687 has 2 divisors, whose sum is σ = 1408069397688. Its totient is φ = 1408069397686.
The previous prime is 1408069397633. The next prime is 1408069397689. The reversal of 1408069397687 is 7867939608041.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 1408069397687 - 210 = 1408069396663 is a prime.
Together with 1408069397689, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1408069397689) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 704034698843 + 704034698844.
It is an arithmetic number, because the mean of its divisors is an integer number (704034698844).
Almost surely, 21408069397687 is an apocalyptic number.
1408069397687 is a deficient number, since it is larger than the sum of its proper divisors (1).
1408069397687 is an equidigital number, since it uses as much as digits as its factorization.
1408069397687 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 109734912, while the sum is 68.
The spelling of 1408069397687 in words is "one trillion, four hundred eight billion, sixty-nine million, three hundred ninety-seven thousand, six hundred eighty-seven".
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